Received: 28 March 2020
Accepted: 10 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The ethical clearance (registration # NBC 192 given in 2015) was obtained from the Pakistan Medical and Research Council, REK Vest in Norway (# 2018/56), as well as the WHO Ethics Committee for the East-Mediterranean region. Informed consent was waived by the ethics committee, as all data used had been previously collected during the child inventory study and did not pose any additional risks to the patients. Permission to use the data was obtained from the program manager of the National TB control program, Islamabad, Pakistan.
: Not applicable.
: The authors declare that they have no competing interests.